sandeks



T. B. SANDERS.

Apparatus for Ventilating Raiiroad Cars. No. 50,960. Patented Nov. 14,1865.

Nv PETERS. PhnloLi D4 c.

UNITED STATES PATENT OFFICEo THOMAS H. B. SANDERS, OF PITTSBURG,PENNSYLVANIA.

APPARATUS FOR VENTILATING RAILROAD-CARS.

Specification forming part of Letters Patent No. 50,960, dated November14, 1865.

To all whom it may concern:

Be it known that LTEos. H. B. SANDERS, of Pittsburg,in thecountyofAllegheny and State of Pennsylvania, have invented a new anduseful Improved Apparatus for Va'rrnin g andVentilatingRailroad-Oars;and I do hereby declare the following to be afull, clear, and exactdescription thereof, reference being had to the accompanying drawings,forming part of this specification, in which Figure 1 is a longitudinalsection of one end of a railroad-car, showing my heating and ventilatingapparatus Fig. 2 is a front view of the vane used for causing therotation of the fan by which the current of air is created.

The object of my invention is to cause a current of air, either warm orcold, as the case may be, through a railroad-car by means of a fan, therevolution of which is effected by a vane, which is caused to rotate bythe rapid passage of the cars through the air.

To enable others skilled in the art to 0011- struct and use my improvedwarming and ventilating apparatus, I will proceed to describe itsconstruction and operation.

At any convenient position in a car I place a stove, a, ofordinaryconstruction. This stove is surrounded by acasing, I), of sheet-iron orother suitable material, large enough to inclose the stove and fan-boxabove and leave an air-space all around the stove. The casing isperforated near the bottom with holes 0 c, for the passage of thecurrent of air. There is a suitable opening in the side of the casingcorresponding with the door d of the stove, which is either closed by adoor of its own or the casing is connected with the stove around thestove-door d, as may be desired.

0n the top of the stove and within the casing 1) is a circular fan-box,e, of somewhat larger diameter than the top of the stove, the horizontaltop piece, I), of the casing forming the top of the fan-box e, and thetop of the stove partially closing the fan-box on the lower side, butleaving a circular or annular opening at the bottom of the fan'box 0,around the top of the stove.

There is an opening in the upper part of the casing near the fan-box,which may be closed more or less by a door or slide for the admission ofair into the fan-box.

Inside of the fan-box is a fan,f, on a perpendicular shaft, g, whichextends from the top of the stove a upward to the roof of the car,through which it passes, terminating outside of the car in a beveledcog-wheel, h, which gears into another beveled cog-wheel, i, fixed onashort horizontal shaft, 7c. The horizontal shaft 70 turns in hearings inthe standard I l, which are attached to the roof of the car. At one endof the horizontal shaft 70 is a circular vane, m, the wings a of whichradiate from its center and are set at such an angle to the periphery ofthe vane that as the air passes between the wings it causes the vane torevolve on its axis with the shaft 7r.

When the car is in motion in either direction the vane, being carriedrapidly through the air, revolves with its shaft is and communicates arapid rotary motion to the shaft 9, and the fan f inside ot'the fan-boxe, which forces a current of air down the space between the casing andthe stove, which, issuing out of the holes 0 c, is distributed throughthe car. If the stove is heated the current of air thus created will bewarm, but it there is no fire in the stove it will be cold.

Having thus described my improved apparatus for warming and ventilatingrailroadcars, what I claim as my invention, and desired to secure byLetters Patent, is-- 1. Creating a current of air in arailroad-car forthe purposes of ventilation by means of a fan placed in a case or boxand operated by a vane, substantially in the manner hereinbeforedescribed.

2. The combination of a fan-blower operated by a vane in the mannersubstantially as hereinbefore described, with a stove, for the purposeof causing a circulation of warm air in railroad-cars.

In testimony whereof I, the said THOS. H. B. SANDERS, have hereunto setmy hand.

THOS. H. B. SANDERS.

Witnesses ALLEN G. BAKEWELL, WILLIAM D. LEWIs.

